440849018944 has 56 divisors (see below), whose sum is σ = 931068935928. Its totient is φ = 206383349760.

The previous prime is 440849018867. The next prime is 440849018947. The reversal of 440849018944 is 449810948044.

It can be written as a sum of positive squares in 4 ways, for example, as 41030553600 + 399818465344 = 202560^2 + 632312^2 .

It is not an unprimeable number, because it can be changed into a prime (440849018947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839737 + ... + 1259704.

Almost surely, 2^440849018944 is an apocalyptic number.

It is an amenable number.

440849018944 is an abundant number, since it is smaller than the sum of its proper divisors (490219916984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440849018944 is a wasteful number, since it uses less digits than its factorization.

440849018944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099663 (or 2099653 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 55.

The spelling of 440849018944 in words is "four hundred forty billion, eight hundred forty-nine million, eighteen thousand, nine hundred forty-four".